DWS-302PLUS Wireless door alarm sensor for roller shutter doors

Wireless magnetic contact sensor for roller shutter and garage doors. 

• Wireless security system Quick and easy installation;
• Door sensor compatible with all alarm systems with FHSS technology;
• Two-way communication;
• Built-in antenna;
• LED indicator for low battery charge and sound alarm;
• Tamper protection;
• Power supply AA 1.5V LR6 battery;
• Recommended distance between sensor and control panel ≤150 in open spaces;